It USES a custom query that USES the Hibernate query Language, which is a REST Web service that USES XML to serialize the data.

它使用Hibernate Query Language进行自定义查询，这是一种使用XML来序列化数据的REST Web服务。

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The Hibernate Query Language (HQL), designed as a minimal object-oriented extension to SQL, is an elegant bridge between the object and relational worlds.

Hibernate 查询语言（HQL）被设计成 SQL 的一个微型面向对象扩展，它是对象和关系世界之间的桥梁。

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